package com.library.dao;

import com.library.entity.User;

/**
 * Created by linzhi on 2016/12/12.
 */
public interface IUserDao extends IBaseDao<User> {
    /**
     * 根据用户名查找用户，找到返回User,找不到返回null
     * @param username
     * @return
     */
    public User findByUsername(String username);
}
